Runaway snowmobile plows into crowd at Winter X Games, 1 minor injuryJay BusbeeYahoo! Sports BlogsJanuary 28, 2013, 12:57 PM UTCJackson Strong of Australia was attempting a backflip over his snowmobile in the Winter X Games in Aspen, and, well, it didn't go quite as planned.Strong flipped away from the sled and the throttle, stuck open, sent the sled careening downhill into a snow fence. It could have been much worse, but the only injury came from a father pulling his 11-year-old son out of the way of the speeding 450-poound snowmobile. The boy hit his knee on the bumper of a truck but was evaluated by on-site medical personnel.Scroll to continue with contentAd-Follow Jay Busbee on Twitter at @jaybusbee.-Super Bowl coverage on Yahoo! Sports:Other popular content on Yahoo! Sports: • Obama concerned about football's violence • NHL Power Rankings: Top 10 teams to watch • Rebuild or regroup: Celtics at a crossroads with Rajon Rondo injury • U.S. Open returns to site of Phil Mickelson's demise